Why is the Myoglobin facilitation of O2 diffusion most effective at low PO2?

The anemia is an illness hem�tica that is due to an alteration of the sanguine composition and determined by a decrease of the m eritrocitaria that conditions a low concentration of hemoglobin (to see the standard parameters). rarely she registers in independent form a deficiency of one alone of these factors. The anemia is a laboratory definition that involves a low recount of eritrocitos and a hemoglobin level or hematocrito smaller than the normal thing